Arthur J. Gallagher & Co. today announced the acquisition of Australia-based Tresidder Insurance Brokers. Terms of the transaction were not disclosed.

Arthur J. Gallagher & Co. announced the acquisition of St. Louis, Missouri-based Imbs Holdings. Terms of the transaction were not disclosed. Imbs Holdings is a retail insurance br ...

global family of Gallagher professionals." Arthur J. Gallagher & Co. (NYSE:AJG), a global insurance brokerage, risk management and consulting services firm, is headquartered in Rolling Meadows ...